{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "427414470",
    "entityType": "User",
    "nonce": "0xeda50205b963da75b9ac84c68dad42896022d7804eff27e8d85cdad01b72ab67",
    "signature": "0x2b833bc1fefda179e0af34dab32e113094bbb3cd44e73cde1449bb319463d95e6f9b471e19f2b24be80b3730babdf4c4c510d5ad88acb0d69596e8613cbdc32c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}